stem
英 [stem]   美 [stem]  
n.
(花草的)茎;(花或叶的)梗，柄;(高脚酒杯的)脚;烟斗柄;有…茎（或梗）的;词干
vt.
阻止;封堵;遏止
abbr.
(= Scanning transmission electron microscope ) 扫描透射式电子显微镜
第三人称单数： stems复数： stems现在分词： stemming过去式： stemmed过去分词： stemmed

例句

All my problems stem from drink...

我所有的问题都源于酗酒。

He stooped down, cut the stem for her with his knife and handed her the flower.

他弯下腰，用刀替她将花茎割断，然后将花递给她。

He chewed the stem of his pipe and eyed her sceptically.

他嘴里衔着烟斗柄，满腹狐疑地打量着她。